def test_partition(self):
parts = [1, 2, 3, 4, 5, 6]
p = RoundRobinPartitioner(None, parts)
for part in parts:
self.assertEqual(part, p.partition("key", parts))
for part in parts:
self.assertEqual(part, p.partition("key", parts))
# Make sure updates work
parts = [1, 2, 3, 4, 5, 6, 7, 8, 9]
for part in parts:
self.assertEqual(part, p.partition("key", parts))
for part in parts:
self.assertEqual(part, p.partition("key", parts))
def test_set_random_start(self):
RoundRobinPartitioner.set_random_start(True)
self.assertTrue(RoundRobinPartitioner.randomStart)
parts = [1, 2, 3, 4, 5, 6, 7, 8, 19, 20, 30]
# Try a number of times and check the distribution of the start
firstParts = defaultdict(lambda: 0)
trycount = 10000
for i in xrange(trycount):
p1 = RoundRobinPartitioner(None, parts)
firstParts[p1.partition(None, parts)] += 1
self.assertLess(std(firstParts.values()), trycount / 100)
RoundRobinPartitioner.set_random_start(False)
self.assertFalse(RoundRobinPartitioner.randomStart)
p2 = RoundRobinPartitioner(None, parts)
self.assertFalse(p2.randomStart)
for part in parts:
self.assertEqual(part, p2.partition(None, parts))
def test_set_random_start(self):
RoundRobinPartitioner.set_random_start(True)
self.assertTrue(RoundRobinPartitioner.randomStart)
parts = [1, 2, 3, 4, 5, 6, 7, 8, 19, 20, 30]
# Try a number of times and check the distribution of the start
firstParts = defaultdict(lambda: 0)
trycount = 10000
for _i in range(trycount):
p1 = RoundRobinPartitioner(None, parts)
firstParts[p1.partition(None, parts)] += 1
self.assertLess(std(firstParts.values()), trycount/100)
RoundRobinPartitioner.set_random_start(False)
self.assertFalse(RoundRobinPartitioner.randomStart)
p2 = RoundRobinPartitioner(None, parts)
self.assertFalse(p2.randomStart)
for part in parts:
self.assertEqual(part, p2.partition(None, parts))
def test_partition(self):
parts = [1, 2, 3, 4, 5, 6]
p = RoundRobinPartitioner(None, parts)
for part in parts:
self.assertEqual(part, p.partition("key", parts))
for part in parts:
self.assertEqual(part, p.partition("key", parts))
# Make sure updates work
parts = [1, 2, 3, 4, 5, 6, 7, 8, 9]
for part in parts:
self.assertEqual(part, p.partition("key", parts))
for part in parts:
self.assertEqual(part, p.partition("key", parts))
def test_repr(self):
parts = [1, 3, 5, 7]
p = RoundRobinPartitioner(None, parts)
self.assertEqual(p.__repr__(),
'<RoundRobinPartitioner False:[1, 3, 5, 7]>')
def test_constructor(self):
parts = [1, 2, 3, 4, 5, 6]
p = RoundRobinPartitioner(None, parts)
self.assertEqual(parts, p.partitions)
def test_repr(self):
parts = [1, 3, 5, 7]
p = RoundRobinPartitioner(None, parts)
self.assertEqual(p.__repr__(),
'<RoundRobinPartitioner False:[1, 3, 5, 7]>')
